Remove unused section writer
This commit is contained in:
@ -4,87 +4,9 @@
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namespace elna::riscv
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{
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elfio_section_writer::iterator::reference elfio_section_writer::iterator::operator*() const noexcept
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{
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return payload;
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}
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elfio_section_writer::iterator::pointer elfio_section_writer::iterator::operator->() const noexcept
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{
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return &payload;
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}
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elfio_section_writer::iterator& elfio_section_writer::iterator::operator++()
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{
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this->payload.data += *this->sizes;
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this->payload.label = *(++this->labels);
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this->payload.size = *(++this->sizes);
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return *this;
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}
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elfio_section_writer::iterator& elfio_section_writer::iterator::operator++(int)
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{
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auto tmp = *this;
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++(*this);
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return *this;
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}
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bool elfio_section_writer::iterator::operator==(const iterator& that) const
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{
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return this->labels == that.labels;
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}
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bool elfio_section_writer::iterator::operator!=(const iterator& that) const
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{
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return !(*this == that);
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}
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elfio_section_writer::elfio_section_writer(ELFIO::section *section)
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: m_section(section)
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{
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}
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void elfio_section_writer::operator()(const std::string& label, const std::byte *data, std::size_t size)
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{
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labels.push_back(label);
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sizes.push_back(size);
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m_section->append_data(reinterpret_cast<const char *>(data), size);
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}
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std::pair<std::string_view, bool> elfio_section_writer::operator()(const std::byte *data, std::size_t size)
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{
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auto found = std::find_if(begin(), end(),
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[data, size](elfio_section_writer::entry entry) {
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return size == entry.size && std::memcmp(entry.data, data, size) == 0;
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});
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if (found == end())
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{
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(*this)(".CL" + std::to_string(labels.size()), data, size);
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return std::pair<std::string_view, bool>(labels.back(), true);
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}
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return std::pair<std::string_view, bool>(found->label, false);
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}
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elfio_section_writer::iterator elfio_section_writer::begin() const
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{
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return elfio_section_writer::iterator(labels.cbegin(), sizes.cbegin(),
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reinterpret_cast<const std::byte *>(m_section->get_data()));
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}
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elfio_section_writer::iterator elfio_section_writer::end() const
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{
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return elfio_section_writer::iterator(labels.cend(), sizes.cend());
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}
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ELFIO::section *elfio_section_writer::section() noexcept
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{
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return m_section;
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}
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elfio_writer::elfio_writer(ELFIO::section *text, ELFIO::section *read_only,
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elfio_writer::elfio_writer(ELFIO::section *text,
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ELFIO::symbol_section_accessor symbol_accessor, ELFIO::string_section_accessor string_accessor)
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: text(text), read_only(elfio_section_writer(read_only)),
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: text(text),
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symbol_accessor(symbol_accessor), string_accessor(string_accessor)
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{
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}
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@ -100,20 +22,6 @@ namespace elna::riscv
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return text->get_size();
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}
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std::string_view elfio_writer::sink(const std::byte *data, std::size_t size)
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{
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auto offset = read_only.section()->get_size();
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auto [result, inserted] = read_only(data, size);
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if (inserted)
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{
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this->symbol_accessor.add_symbol(this->string_accessor, result.data(), offset,
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result.size(), ELFIO::STB_LOCAL, ELFIO::STT_NOTYPE, 0,
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read_only.section()->get_index());
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}
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return result;
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}
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void elfio_writer::sink(const std::string& label)
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{
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this->symbol_accessor.add_symbol(this->string_accessor, "printf", 0x00000000, 0,
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@ -188,17 +96,11 @@ namespace elna::riscv
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rel_sec->set_link(sym_sec->get_index());
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rel_sec->set_flags(ELFIO::SHF_ALLOC);
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// Create read only data section
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ELFIO::section* ro_sec = writer.sections.add(".rodata");
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ro_sec->set_type(ELFIO::SHT_PROGBITS);
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ro_sec->set_flags(ELFIO::SHF_ALLOC);
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ro_sec->set_addr_align(0x4);
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// Create symbol relocation table writers
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ELFIO::symbol_section_accessor syma(writer, sym_sec);
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ELFIO::relocation_section_accessor rela(writer, rel_sec);
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auto _writer = std::make_shared<elfio_writer>(text_sec, ro_sec, syma, stra);
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auto _writer = std::make_shared<elfio_writer>(text_sec, syma, stra);
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auto references = generate(intermediate_code_generator, table, _writer);
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syma.arrange_local_symbols();
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